Isayensi izama ukutadisha konke okwenzeka emhlabeni wethu esikhathini esedlule nesedlule nokubikezela ikusasa. Elinye legatsha lesayensi elicwaninga ngezihlahla liyi I-Dendrology. Igatsha elicwaninga ngezihlahla nokukhula kwazo, likhiqiza izindandatho.
Kulesi sihloko sizokutshela konke odinga ukukwazi nge-Dendrology, izici zayo nokubaluleka kwayo.
Yini i-Dendrology
Sikhuluma ngamagama athi “Dendron” kanye “neLogos”, okusuka kuwo amaGreki, okusho ukuthi isihlahla nokufunda ngokulandelana. Leli gama laqanjwa ngo-1668 ngu-Ulisse Aldrovandi (isazi semvelo sase-Italy nomsunguli we-Botanical Garden yase-Bologna) ngokushicilelwa kwe-Dendrology. Njengoba isihlahla sikhula sakha izindandatho ezintsha. La masongo asetshenziselwa ukukhomba iminyaka yokukhula, iminyaka, ukuma, njll. Ngakho-ke, uma sifunda kahle izindandatho zesihlahla, singakwazi kahle ukuthi kwenzekeni esikhathini esedlule.
Ngenxa ye-Dendrology, izinqubo ze-geological zingafundwa ngamasongo ezihlahla. I-geology yomhlaba iyashintsha ngokuhamba kwesikhathi idale ama-geological agents angaphandle. Amanzi nomoya, imvula, njll. Bangama-ejenti e-geological ahlukile asebenza ngokumodela indawo. Izakhi ze-Geological ezifana namatshe nokwakheka kwazo kuyashintshwa ngokuhamba kwesikhathi. Ngenxa yamasongo okukhula kwezihlahla nokutadisha kwawo, kungenzeka ukwazi ukuthi kwenzekeni esikhathini esedlule. Ukutadisha izinqubo zokwakheka komhlaba ngamasongo ezihlahla kuyigatsha le-Dendrology elaziwa ngeDendrogeomorphology.
Kungumthombo wedatha obaluleke ngokwedlulele wezifundo zendawo, zasedolobheni, zengqalasizinda noma zokuphathwa kwemvelo. Kumele sazi ukuthi kulo lonke lolu hlobo lwezenzo zabantu kuyadingeka ukwazi indawo esikuyo nokuvela kwayo. Ngamanye amagama, ngentuthuko ezindaweni ezisemadolobheni noma kungqalasizinda kungathakazelisa ukwazi ukuvela kwendawo lapho izokwakhiwa khona. Okufanayo kwenzeka ngezinhlobo zezitshalo nezilwane ezikhona kule ndawo efanayo. Iqoqo lazo zonke izifundo ezidingekayo ukuze zikwazi ukwenza ukwakhiwa ngokusho kwezenzo zomthetho laziwa njengokuhlolwa komthelela wezemvelo. I-Dendrology inendawo impela kulezi zifundo ezinomthelela kwezemvelo.
I-Dendrology isetshenziswe kwisimo sezulu
Siyazi ukuthi ulwazi olumayelana nezinguquko ku-geology lwendawo alutholakali nje kuphela emasongweni okwakhiwa kwezihlahla, kodwa futhi nasesimo sezulu. Yize cishe sonke sazi ukuthi ngokubala izindandatho zezihlahla singazi iminyaka yazo, iqiniso ukuthi akulona iqiniso ngokuphelele. Isihlahla ngasinye sinohlobo lokukhula olwehlukile kunesinye futhi kuya ngohlobo ngalunye. Akuzona zonke izihlahla ezakha amasongo afanayo noma ezikhula ngendlela efanayo. Ngakho-ke, ukwakheka kwalezi zindandatho kungasinika ulwazi mayelana nesimo sezulu esikhona ngesikhathi isihlahla esithile sakhula ngaso.
Amasongo amnyama akha ngesikhathi sasebusika. Kungumuthi ojiyile futhi ohlangene osiza isihlahla ukuzivikela emazingeni okushisa aphansi. Izitshalo kufanele zisinde ezimweni ezinzima zemvelo ebusika nasehlobo. Lezi zivame ukuba yizinkathi ezimbili zonyaka izimo zezimo zazo ezeqise kakhulu futhi, ngakho-ke, zidinga ukudala izindlela zokuzivikela.
Enye yazo ngokhuni olujiyile olubonakala emasongweni amnyama. Ngale ndlela, amasongo alula akhiqizwa ehlobo ngokhuni oluncane kakhulu namasongo amnyama ngokhuni oluhlangene kakhulu. Amasongo acacile abanzi, ngoba isihlahla sijabulela amazinga okushisa amahle nezakhamzimba. Ngale ndlela, inomsebenzi wezitshalo ophakeme kune Ikuvumela ukuthi unwebise izindandatho isikhathi eside.
Kwezinye izikhathi singathola izindandatho ezicacile ezincanyana kakhulu. Lokhu kungaba wuphawu lwesomiso somlando. Njengoba singenawo amanzi, isihlahla asikwazi ukukhula. Ngale ndlela, siyabona ukuthi indandatho yokukhula incane impela kepha icacile. Lokhu akudalulwa izinhlobo ezahlukahlukene zolwazi. Ngakolunye uhlangothi, iqiniso lokuthi iringi icacile alivezi ukuthi kube namazinga okushisa aphezulu aqhubekayo. Ngakolunye uhlangothi, siyabona ukuthi ngokungakhuli nokuba mncane ngokuqhathaniswa namanye amasongo acace banzi, kukhombisa ukuthi isihlahla asiwathokozelanga umsoco.
Ngokuvamile Ukuba khona kwezindandatho ezincane noma ezibanzi kubonisa inani lezakhi ezitholakalayo phakathi nendawo. Uma sinesihlahla esinezindandatho ezimnyama ezibanzi kakhulu, sibonisa ubusika obude futhi obunzima. Ngakolunye uhlangothi, amasongo acacile nawo ahlaziywa ngobubanzi bawo. Ngale ndlela, singakwazi ukwazi ukuthi ihlobo belide noma lifishane yini nokuthi libe namazinga okushisa aphezulu noma aphansi.
Ukuguquka kwesimo sezulu namasongo esihlahla
Ukuguquka kwesimo sezulu akufundiswa kuphela ngokwanda kwamagesi abamba ukushisa kanye nokushintsha kwezinga lokushisa ezingeni lomhlaba jikelele. Ingabuye ifundwe ngama-bioindicators aziwa njengezindandatho zezihlahla. I-Dendrology ibhekele ukutadisha izihlahla zezinsalela ezihlinzeka ngolwazi ngesimo sezulu sezikhathi ezedlule. Kule nkambu siyazi ukuthi yaziwa njenge-dendroclimatology.
Kufanele sikhumbule ukuthi ucwaningo lokuguquguquka kwesimo sezulu lubalulekile ekulawuleni imithombo yemvelo, manje nasesikhathini esizayo. Asikwazi ukuhlela ukuthi imisebenzi yethu yezomnotho izoba yini esikhathini esizayo ngokusekelwe ocwaningweni lwamanje. Kuyadingeka ukuqonda ukuguquguquka okuhlukile isimo sezulu esiye sabhekana nakho kuwo wonke umlando weplanethi. Lokhu kuguquguquka kungaqondwa kahle ngenxa ye-Dendrology. Izindandatho zezihlahla zingasitshela okuningi mayelana namazinga okushisa nokukhula kwezihlahla kuphela, kodwa futhi mayelana ukuvela kwamazinga okushisa nezimo zemvelo.